Compare 14/81 and 21/9
1st number: 14/81, 2nd number: 2 3/9
14/81 is smaller than 21/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
14/81 = 14 × 1/81 × 1 = 14/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
21/9 = 21 × 9/9 × 9 = 189/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 14/81 < 189/81 or 14/81 < 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/81 and 21/9 14/81 and 42/9 14/81 and 21/18 42/81 and 21/9 14/81 and 63/9 14/81 and 21/27 70/81 and 21/9 14/81 and 21/45 98/81 and 21/9 14/81 and 21/63